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Talk #1 Typescript with React

• Check PropTypes à la compilation
• PropTypes avec generic types ⚠️ interpolation

Talk #2 Flow

• Flow écrit en Ocaml 🇫🇷
• Atom / VS Code (WebStorm?)
• Type inference
• custom types
• union types
• generic types
• seal types {|type|}
• merge objet types with spread
• objects as map
• read and write properties
• some helpers $keys $Element Type etc etc
• CLI

Talk #3 Reason

• Ocaml with JS syntax
• auto currying
• module system, open or not
• immutable by default
• variant types = union types
• pattern matching
• local scope
• BuckleScript
• import JS or convert from JS
• https://reasonml.github.io/